Patents
Patents for H04Q 3 - Selecting arrangements (38,975)
07/1993
07/07/1993EP0550180A2 Rerouting in a distributed telecommunication system
07/07/1993EP0550179A2 Redirection of calls by a communication terminal
07/07/1993EP0550178A2 Telecommunication switching system having distributed dialing plan hierarchy
07/07/1993EP0550017A2 Fiber optic switch with spatial light modulator device
07/06/1993US5226075 Method of and apparatus for numbering and routing calls through a communication network
07/06/1993US5226042 Method for establishing wideband communications through a time division switching system
07/01/1993CA2086158A1 Fiber optic switch with spatial light modulator device
06/1993
06/30/1993EP0549127A2 Common channel signaling message intercept system
06/30/1993EP0549126A2 Method and apparatus for alerting multiple telephones for an incoming call
06/30/1993EP0549053A1 Apparatus for switching data
06/30/1993EP0549016A1 Method of transferring between switching exchanges for mobile services, the handling of an active connection
06/30/1993EP0530345A4 Packet switching communications system
06/30/1993EP0525121A4 Distributed protocol for improving the survivability of telecommunications trunk networks
06/29/1993US5224153 Voice-data telephonic interface control system
06/29/1993US5223827 Process and apparatus for managing network event counters
06/29/1993CA2024771C Optical interconnection apparatus
06/29/1993CA1319769C Digital added main line system
06/29/1993CA1319768C Channel redundancy in a digital loop carrier system
06/24/1993WO1993012624A1 Fibre optic telephone loop network
06/24/1993WO1993012622A1 Communications terminal equipment
06/24/1993WO1993012620A1 Programmable subscriber's extension set
06/24/1993WO1993012619A1 Feature control system utilizing design oriented state table language
06/24/1993WO1993012594A1 Externally controlled call processing system
06/24/1993WO1993012593A1 Isdn branch exchange
06/24/1993WO1993012445A1 Optical switch
06/24/1993DE4142615A1 Operating control installation for telecommunications network - uses control data for network subscribers held in plan data list during modification of network for subsequent transfer to actual data list
06/24/1993CA2124830A1 Externally controlled call processing system
06/24/1993CA2124571A1 Communications terminal equipment
06/24/1993CA2085825A1 Data switching device
06/23/1993EP0547780A2 Method and apparatus for monitoring a network for customer signaling during the term of a call
06/23/1993EP0547602A2 Programmable optical crossbar switch
06/23/1993EP0547413A2 Programm controlled communication centre
06/23/1993EP0547067A1 Alarm and test system for a digital main line.
06/23/1993CN1021395C Synchronous-asynchronous converter
06/22/1993US5222166 Aircraft fiber optic data distribution system
06/22/1993US5222128 Telecommunication disaster plan
06/22/1993US5222126 Communication apparatus connected to other communication terminals
06/22/1993US5222125 System for providing personalized telephone calling features
06/22/1993US5222124 PBX system communications device
06/22/1993US5222120 Long distance telephone switching system with enhanced subscriber services
06/22/1993US5221922 Broadband signal switching matrix network
06/22/1993CA2000646C Switch for selectively switching optical wavelengths
06/19/1993CA2084949A1 Programmable optical crossbar switch
06/17/1993DE4141183A1 Electronic switching X=Y matrix for data communication networks - connects two incoming lines with two outgoing lines under control of single control element containing single transistor
06/16/1993EP0546707A2 Passive optical communication network
06/16/1993EP0546151A1 Application modularity in telecommunications exchanges
06/10/1993WO1993011645A1 Improved call pacing with call termination prior to first ring in potential no operator condition
06/10/1993WO1993011643A1 Telephone circuit to control off-hook status during receipt of caller-id signal
06/10/1993WO1993011484A2 Software structure for telecommunication switching systems
06/10/1993WO1993007699A3 Broadband input buffered atm switch
06/10/1993CA2080929A1 Secure telecommunications
06/09/1993EP0545226A2 Simultaneous recorded voice delivery and computer data screen delivery to an agent station
06/09/1993EP0544930A1 Method of tracing program paths in communication exchange programs
06/09/1993CN1021183C Method of managing traffic flow in wideband integrated services digital telecommunications network, and network for implementing method
06/08/1993US5218631 Telephonic-interface game control system
06/08/1993US5218601 Method for searching for alternate path in communication network
06/08/1993US5218198 Optical waveguide switch utilizing means for detecting a tapped off fraction of the input signal
06/08/1993CA1318960C Crosspoint switching array
06/08/1993CA1318959C Method of multicast message distribution
06/02/1993EP0544637A2 Software structure for telecommunication switching systems
06/02/1993EP0544608A1 Method and system for the efficient distribution of messages utilizing a data processing system
06/02/1993EP0544034A1 Method for reconstructing the correct sequence of communication cells
06/01/1993US5216591 Method for efficient distributed data communications network backbone node location
06/01/1993US5216420 Matrix sorting network for sorting N inputs onto N outputs
05/1993
05/29/1993CA2083870A1 Method for restoring the sequence of message cells
05/28/1993CA2073560A1 Multi-media serial line switching adapter for parallel networks and heterogenous and homologous computer systems
05/27/1993WO1993010619A1 Inbuilding telephone communication system
05/27/1993WO1993010616A1 Personal locator and call forwarding
05/27/1993WO1993010614A1 Security systems based on recording unique identifier for subsequent playback
05/27/1993CA2121602A1 Inbuilding telephone communication system
05/26/1993EP0543235A2 Call transfers by voice messaging systems (VMS) integrated to a private branch exchange
05/26/1993EP0542741A1 Serial array time-slot interchangers
05/26/1993CN1021005C Fully integrated telecommunication network
05/25/1993US5214692 Bypass for telephone switching system
05/25/1993US5214688 Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls
05/25/1993US5214640 High-speed packet switching system
05/25/1993US5214639 Communication switching element and method for transmitting variable length cells
05/25/1993US5214424 Broadband signal switching equipment
05/25/1993CA2004589C Switch components and multiple data rate non-blocking switch network utilizing the same
05/19/1993EP0542233A2 Cell switching apparatus and method
05/19/1993EP0417083B1 Communication switching element
05/18/1993US5212727 In a telecommunications system
05/18/1993US5212691 Private network with means for establishing virtual tie trunks between PBXS through ISDN public network
05/18/1993US5212587 Binary tree switching network
05/18/1993US5212578 Selection of transmission facilities using optical wavelength division multiplexing
05/18/1993CA2032216C Method for avoiding call blocking
05/13/1993WO1993009628A1 Function testing system for a communications installation
05/13/1993DE4136817A1 Funktionspruefsystem fuer eine kommunikationsanlage Funktionspruefsystem for a communication system
05/12/1993EP0541303A2 Optical circulating shift register
05/12/1993EP0541300A2 Optical crossbar exchange arrangement
05/12/1993EP0541123A2 Remote subscriber control system in a digital line switching system
05/12/1993EP0540538A1 Method of controlling a digital coupling-field store
05/12/1993EP0373161B1 Switching arrangement and method
05/11/1993US5210529 Bit finder circuit
05/05/1993EP0540258A2 Dynamic routing-administration
05/05/1993EP0540257A2 User-code based call treatment
05/05/1993EP0540256A2 Telecommunications call-processing arrangement
05/05/1993EP0540255A2 Context-dependent call-feature selection in a telecommunication system
05/05/1993EP0540254A2 Dialed number recognition arrangement
05/05/1993EP0540253A2 Dynamic tone-adminstration in a switching system